Bump SixLabors.ImageSharp from 2.1.10 to 2.1.11#2

dependabot[bot] wants to merge 1 commit intobloom/localizationBloomBooks/velopack-l10n-fork:bloom/localizationfrom

dependabot/nuget/src/vpk/Velopack.IcoLib/SixLabors.ImageSharp-2.1.11BloomBooks/velopack-l10n-fork:dependabot/nuget/src/vpk/Velopack.IcoLib/SixLabors.ImageSharp-2.1.11Copy head branch name to clipboard